Pumping device.



B'. B. RHYNE.

PUMPING DEVICE.,

.APPLICATION FILED OCT. I5. I9I5.

1,243,222. 'Patented 0I.16,1917.

SHEETS-SHEET 1.

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Y B. RHYNE.

PUMPNG DEVICE. APPLICATION' FILED OCT. l5, v15H5.

1,248,222. Patented (m. 16,1917.

3 SHEETS--SHEET 2.

RHYNE. PUMPING DEVICE.

APPLICATION FILED OCT. 15, 19l5. y I L Patented 0e.- 16,1917.

`3 SHEETS-SHEET 3.

BENJAMIN B. RHYNE, 0F CHARLOTTE, NORTH CAROLINA.

PUMPING DEVICE. -f

Specication of Letters Patent.

i rat-entes oec. ie, rei e'.

Application filed October 15, 1915. Serial No. 56,085.

To all @chomz't may concern.'

VBe it known that I, BENJAMIN B. RHYNE, a citizen of the United States,residing atV Charlotte, in the county of Mecklenburg and State of NorthCarolina, have invented new and useful Improvements in Pumping Devices,of which the following is a Specification.

Thevinvention relates to an improved air pump or motor adaptedparticularly to be operated by compressed air and designed to actuate aliquid pump, the construction being particularly directed to automaticcontrolling means for accommodating the pump and governingits-operation.

The improved motor is of the reciprocating type and operated bycompressed air from a suitable source, the delivery of the power mediumon opposite sides of the piston being automatically controlled in theoperation of the motor, and the delivery of the motive fluid from thecompressor or storage tank to the motor is in turn automaticallycontrolled by a desired' condition of the fluid being pumped, wherebythe pump is automatic in all operations.-

The invention in the preferred form of details will be described in thefollowing specification, reference being had particularly to theaccompanying drawings, in which:

Figure 1 is an elevational view of the apparatus;

Fig. 2 is a vertical sectional view of the motor;

Fig. 3 lis an elevation of one section of the casing of the slide valve;v

Fig.V l is a similark view of the other side of the casing;

Fig. 5 is a horizontal section through the slide valve;

Fig. 6 is a vertical section of the` controlling valve;

Fig. 7 is a section on line 7-7 Fig. 6; n

Fig. 8 is an elevation of the equalizing Fig. 9 is a plan' view of thesame;

Fig. 10 is a transverse section on the line 10-10'of Fig. 9;

Fig. 11 is a vbroken 'sectional view illus- .trating the connection ofthe levers;

Fig. 12 is a side elevation of the slide valve. x From the accompanyingdrawing it `will be noted that the improvedstructure in- @icludes a pumpor air-*motor comprising' a" cylinder 1 having heads 2 and 3, the latterbeing suitably formed for the reciprocation therethrough of a piston rod4. rEhe .piston rod at the end within the casing terminates in a head 5and on the rod immediately beneath the head is secured a piston 6 havingoppositely acting piston cups 7. rlhe piston is shown and is preferablyconstructed in two parts, with the oppositely turned cups secured toeach respective part, the usual eX- pansion rings 8 being arranged tohold the cup in proper contact with the wall of thev the ducts 9 and 10is what 1 term a slide valve involving opposing casings of a solid typeas 11 and 12, secured together 1n any appropriate air tight manner. Thesection 11 of the casing which represents one wall thereof is formedwith a block extension 13 having at the outer surface thereof an opening14 1n the form of a nipple for a purpose which will later appear.Arranged vertically of the section 12 is a rounded openingl 15 toreceive the piston rod, a cap plate 16 being secured upon the section 12and formedin its inner surfacev with a depression 17 to complete thepiston rod receiving opening, the cap plate being bolted to the slidevalve, as shown. Arranged intermediate the sections 11 and 12 is aslide' or 'valveplate 18, which plate is formed withv an ear eXtension19 secured uponV a stem 2O which pro- I jects through the sections ofthe slide valve and beyond one side surface thereof, as.

shown. r1`he section llrof theslide valve is formed with spaced channels21 which at their outer end communicate with the supply nipple 14:,while the section 12 ofthe slide valve is also formed with spacedchannels 22 which communicate at all times with lateral openings 23 fromthe respective ducts 9 and 10 of the piston rod. The valve plate 18 isprovidedl with two openings 24: so arranged that in the respectivelpositions of said plate, at least one ofthe openings 2e will be incommunication with the channels 22 of the section 12. rIhe section 11 ofthe slide valve is also provided with ,exhaust openings 25 which leaddirectly to the atmosphere. The disposition of the openings 24 is suchthat in one position of the valve plate there willbe provided anuninterrupted communication between one of the channels 21 and theunderlying channel 22 of the section l2, while at the same time theremaining channel 22 of the section 12will communicate through anotherof the opening's'24 with the exhaust opening 25 01"' the section ll. thevalve plate, as will hereinai'ter appear, is adapted for two positions,it will be obvious that air from the supply nipple will be alternatelyadmitted, .through the ports 9 and l0, the charging port being thussupplied with pressure while the remaining port is open to the exhaust.

'The yslide valve is secured upon the piston rod below the cylinder, thelatter for this purpose being supported upon uprights 26 rising from asuitable base 27. 0n one of the uprights are arranged trips 28 at therespective limits of movement oi' theslide valve and adapted inoperation to ,trip the valve plateto change its operative positions. Forthis purpose the stem 20 which is secured to the valve plate aspreviously described is provided with a trip lever 28 .eX- tended beyondthe slide 4valve and having projection 29 to be engaged by the pins 28.

' The spring 81 is connected to the trip lever and to the bracket 32extended from the opposite side of the slide ,valve7 the spring eX-erting a pull upon `,the valve plate in both directions, it beingunderstood that the i' movement of the trip pin in either instancethrows 'the trip Alever beyond a position alined With the spring so thatthe spring operates to pull the valve plate to l,operative position ineither direction, the trip pin serving to initially start the leverwhile the springrapidly completes the movement andsets the plate. y .i

4S' a means im' Controlling the adm-,item1 ot ai;` to the'slide valveandv therefore controlling the pperatipn of the'pump, I pro.-

vide what l term. a controlling valve comprising a two-part Icasing 33,34, presenting a ehamber gwithin which is arranged diaphragm 3,;6xsecured-at its edges between the` edges of the leasing sections, 'asshown. The diaphragm is preferably constructed .to

Y providea lower b'racesection 37 and an upper rubber section A'valvestem 3 9 eX- tends through the diaphragm, being liXed theretor and 'thempi/"ement of the diaphragm is tendered in fiile directieri by a Spring4Q? aswill be plain from ythe d .ravvirigs.A Secured below'the casing isva lvalve.chamber 4l in Whill the' Valve Stem' 3,9, extends 'The valve.Clie-'feter' .is steered te the Gesine efihe @estre diaphragm 42 isarranged in an'appropriate 'recess and about the valve stem to prevent39 and with a lateral port 45 which communicates through a hose or otherflexible connection y46 with the inlet nipple 14 of the slide valve.

Assuming the pump to be usedin connection with the water supply, thewater pipe 47through which the fluid is delivered asa result oi' thepumping operation, has arranged in open communication therewith anairchamber 48. F rom the upper end of the chamber' extends a pipeconnection 49valve controlled as desired, and opening into the upper endof the controlling valve so as to deliver the air pressure on the upperside of the diaphragm 36. i

The inlet 43 of the valve chamber is connected by a pipe 50 with anysuitable source of air under pressure, vas a storage tank or the like.lnthe loperation of the pump and cooperating mechanism thus fardescribed it will be'understood that in the reciprocation of the motorand at a predetermined point the slide valve parts would be in positionto admit air under pressure through one of the ducts 9 or l0. Air fromthe stortank or 'other supply will then pass through the pipe 50 pastthe valve 44, which is elevated in the normal position of the diaphragm3.6, through the pipe 46, to the cylinder l on one side of the piston,operating thepiston. As the valve plate of the slide valve is trippedthrough engagement with the particular pin 28 the airis admitted to theother side of the piston andv the Pumping @Pemtell thus Secured. In theevent the water supply in the pipe 47 is in encess of that used itis.obvious that rthe air in the container or chamber 48 will be putunderpressure with Athe eiiect to eXert a :clorresponding pressure upon thediaphragm 36 and close the valve 44 to cut of the 'air supply to themotor proper. The pump is thus automatically governed in itsoperationsas will be apparent.

Under Seme circumstances it will be further desirable to connect thepump rod leading into the well or other source of supply directly to thepiston rod of the motor, and under other circumstances it would beadvisable to provide means whereby the newer of the mOtOr .be augmentedthrough leverage mechanism, and to accomplish the latter l prefer toutilize a particular form of equalizer or pumping leverillustreated. lnthis form i secure upon the base 27 of the motor a lever 51 secured atIitsI inner end upon proper pivotal-support ris- 1119' from thebase. anddivided atfthe outer.' e.. tarteseet branch, arms te which are;

disposed on opposite sides of the pump rod 53 and connected thereto byarms 54 which extend from each arm 52 of the lever to a ball coupling 55secured upon the pump rod above the lever. An equalizing lever is alsoarranged in connection with the structure involving a rod like element56 which, at the leverage point, may favor either side as desired, isodset through an angularly related fulcrum section 57. The fulcrumportion is in the form of an elongated slotted section, through the slot58 of which the lever 51 extends, and is pivotally mounted at 59. Thefree or outer end of the equalizing lever is also divided to presentarms 60 disposed on opposite sides of the pump rod and an underlyingsection 61 carrying a roller 62 presenting a roller bearing for the pumprod in movement.

What is claimed is:

l. A pumping apparatus comprising a pump cylinder, a piston operating insaid cylinder and provided with a hollow piston rod having a portopening adjacent the piston, a valve carried by said rod outside thecylinder and provided with stop means for limiting` the throw thereof,and means actuated automatically by the movements of the piston forcontrolling said valve, said controlling means having a relative,slight, free movement with reference to said valve.

2. An air motor including a piston, a piston rod having independentports opening on opposite sides of the piston, a slide valve secured tothe rod below the pump cylinder1 said slide valve comprising connectedsections arranged on edge, through one of which the piston rod extends,the sections being formed with ports fcommunicatiing with the respectiveports of the piston rod,

a valve plate movable in one of the sections of the slide valve andadapted to control the connections ot' the ports of one section with theports of the other section, means for automatically operating the slidevalve in each direction, means arranged to trip and set in operation theautomatic means in the respective reciprocating movements of the rod,and means for delivering air pressure to the slide valve.

3. The combination with a water pump, of an air motor including apiston, a piston rod having independent ports opening on opposite sidesof the piston, a slide valve secured to the rod below the pump cylinder,said slide valve comprising connected sections arranged on edge, throughone of which the piston rod extends, the sections being formed withports communicating with lthe respective ports of the piston rod, avalve plate movable in one of the sections of the slide valve andadapted to control the connections of the ports of one section with theports oi the other section, means for automatically operating the slidevalve in each direction, means arranged to trip and set in operation theautomatic means in the respective reciprocating movements of the rod, apressure pipe having communication with the slide valve, a valve forcontrolling said communication, and means governed by the water underpressure delivered from the pump for governing said controlling valve.

In testimony whereof I affix my signature in presence of two witnesses.

BENJAMIN B. RHYNE. Witnesses:

G. H. Hier, WILL C. KENDRICK,

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents,

Washington, I). C. i

